Low performance of the IDE on the SIS550

Bari Ari bari at onelabs.com
Thu Oct 3 14:08:00 CEST 2002

Yves Godin wrote:

> Anyway, with the UDMA mode 2 I should have the performance that I 
> need. I look on header of the ide connector and the burst when writing 
> seems to be quick anough but between each of these bursts I have a 
> hole of 5-6 seconds.

How are you looking at the ide header? Logic Analyzer, scope?? If so, 
are you saying that the dma burst timing looks good but you are getting 
pauses of 5 -6 seconds between bursts?


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